From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33787) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yal6T-000712-MB for qemu-devel@nongnu.org; Wed, 25 Mar 2015 09:12:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yal6O-0000TU-Dk for qemu-devel@nongnu.org; Wed, 25 Mar 2015 09:12:13 -0400 Received: from mail-wi0-x235.google.com ([2a00:1450:400c:c05::235]:35111) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yal6O-0000Sb-6s for qemu-devel@nongnu.org; Wed, 25 Mar 2015 09:12:08 -0400 Received: by wibbg6 with SMTP id bg6so23149823wib.0 for ; Wed, 25 Mar 2015 06:12:07 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <5512B423.7080801@redhat.com> Date: Wed, 25 Mar 2015 14:12:03 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <55128084.2040304@huawei.com> <87a8z12yot.fsf@neno.neno> <55128C1D.5080002@cn.fujitsu.com> In-Reply-To: <55128C1D.5080002@cn.fujitsu.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [Migration Bug? ] Occasionally, the content of VM's memory is inconsistent between Source and Destination of migration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Wen Congyang , quintela@redhat.com, zhanghailiang Cc: hangaohuai@huawei.com, Li Zhijian , qemu-devel@nongnu.org, peter.huangpeng@huawei.com, "Gonglei (Arei)" , Amit Shah , "Dr. David Alan Gilbert (git)" , david@gibson.dropbear.id.au On 25/03/2015 11:21, Wen Congyang wrote: > > What kind of load were you having when reproducing this issue? > > Just to confirm, you have been able to reproduce this without COLO > > patches, right? > > I can reproduce it without COLO patches. Thanks. Please try doing mprotect (using qemu_ram_foreach_block to mprotect all the areas) after ram_save_complete. Paolo